adding tests for CLI functionality (#1718)

* test: add a basic cli test for savesequence

* refactor cli-test

* Run cli tests seperately

Co-authored-by: Jeffrey Warren <jeff@unterbahn.com>
Co-authored-by: Harsh Khandeparkar <34770591+HarshKhandeparkar@users.noreply.github.com>

.travis.yml

@@ -24,6 +24,8 @@ jobs:
       script: npm run test-ui
     - name: "jest-puppeteer UI tests (full browser env)"
       script: npm run test-ui-2    
+    - name: "CLI tests"
+      script: npm run test-cli
     - name: "Grunt build test of dev environment"
       script: grunt build
 after_success:

package.json

@@ -12,6 +12,7 @@
     "test-all": "npm run test && npm run benchmark && npm run gif-test && grunt tests && npm run core-tests",
     "test-ui": "node node_modules/jasmine/bin/jasmine test/ui/spec/*.js",
     "test-ui-2": "node ./node_modules/.bin/jest",
+    "test-cli": "node test/cli/*.js | tap-spec",
     "setup": "npm i && npm i -g grunt grunt-cli && npm rebuild --build-from-source && grunt build",
     "start": "grunt serve" 
   },

test/cli/saveSequence.js

@@ -0,0 +1,38 @@
+require('../../src/ImageSequencer');
+sequencer = ImageSequencer({ ui: true });
+const saveSequence = require('../../src/cli/saveSequence.js');
+const test = require('tape');
+const { Command } = require('commander');
+
+
+test('testing save sequence function', function (t) {
+  try {
+    let program = new Command();
+    program
+      .option('--save-sequence [string]', 'Name space separated with Stringified sequence');
+
+    program.parse(['node', 'test', '--save-sequence', '"invert brightness"']);
+
+    if (program.saveSequence)
+      saveSequence(program, sequencer);
+    t.true(1, 'creation success');
+
+  } catch (error) {
+    t.true(!error, 'creation fail');
+  }
+  try {
+    let program = new Command();
+    program
+      .option('--save-sequence [string]', 'Name space separated with Stringified sequence');
+
+    program.parse(['node', 'test', '--save-sequence']);
+
+    if (program.saveSequence)
+      saveSequence(program, sequencer);
+    t.true(0, 'creation success');
+
+  } catch (error) {
+    t.true(1, 'creation fail');
+  }
+  t.end();
+});